Innov Engineering Pvt. Ltd

Innov Engineering is a leading manufacturer and supplier of advanced and custom-made rotary kilns used to heat solids at high temperatures, ensuring durability, efficiency, and longevity. ... We design custom solutions to provide effective and low-maintenance rotary kilns operations for quality sponge iron production through our extensive ...

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Pathways for decarbonizing the sponge iron industries: Effect of …

The conventional rotary kiln-based sponge iron (SI) production process in India, which contributed to the manufacture of 33.88 million tons of SI in 2022 was depicted in Fig. 1 (Ministry of Steel, 2023). The SI production system of 100 ton per day (TPD) capacity comprised an inclined rotary kiln (3°), a rotary cooler, an after burning chamber ...

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Decarbonizing rotary kiln–induction furnace based sponge iron

These rotary kiln-based sponge iron plants are often accompanied by a power plant to recover heat from the high-temperature kiln-off gases having low calorific value. In the …

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Modeling of Rotary Kiln for Sponge Iron Processing

1.1 Image of a Sponge Iron Granule 2 1.2 Microscopic view of sponge iron 4 3.1 Material Balance in a Rotary Kiln sponge iron plant 14 3.2 Energy Balance in a Rotary Kiln sponge based iron making 14 3.3 Schematic of optimised Rotary kiln sponge iron making process 21 4.1 Industrial view of Sponge Iron making Rotary Kiln 24

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Rotary Kiln Manufacturers in India

Rotary Kiln Manufacturers in India. We, Classic Technomec Pvt. Ltd are specializing in the manufacture and supply of high-quality Rotary kilns for Sponge Iron Plants.We made our products with high-quality raw materials as per industry quality standards.

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Coal & Gas based DRI Plant

We manufacture Sponge Iron Plant on turn-key basis of different functional capacities i.e. 100 TPD, 300 TPD, 500 TPD plants.The equipment support provided for the plants include Kiln/cooler tyre, Kiln/cooler support roller, Kiln/cooler support roller shaft, Kiln/cooler support roller assembly with bearing housing, Kiln/cooler girth gear, Kiln/cooler pinions, Kiln/cooler pinion shaft, Kiln ...

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Schematic diagram of plant and the rotary kiln (see arrow) for

The temperature profiles of the gas and charge in a coal-fired rotary sponge iron kiln affect both the iron ore reduction process and accretion formation. The temperature profile of charge is ...

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A study on the accretion formation in DRI kilns and possible …

Abstract: Direct reduction of iron ore with aid of either carbon or natural gas under controlled temperatures and pressures within a rotary kiln generates sponge iron as a product. However rotary kiln performance is adversely affected by the ring formation known as accretion. These accumulated sintered solid particles which

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Advances in Rotary Kiln Sponge Iron Plant

Contents: IntroductionRotary Kiln Process of Making Sponge IronThermodynamic Considerations: Feasibility of ReactionAerodynamics inside a Sponge Iron Rotary KilnMathematical Modelling in Rotary Kiln Sponge Iron MakingPhysical Movement of Solids inside a Rotary Kiln: Charge Movement and Coal Throwing/SlingingRequirement, Generation and Transfer ...

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Flow of materials in rotary kilns used for sponge iron manufacture

Looking forward to the need of developing coal-based sponge iron technology in India, a country having no significant resources of either coking coal or natural gas, the Research and Development Division of the Tata Iron and Steel Company Limited (TISCO) set up a rotary kiln based direct reduction pilot plant in 1975. In this pilot plant, a totally indigenous technology for …

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Mathematical Modelling of Sponge Iron Production in …

sponge iron rotary kiln, coal acts as the reducing agent. as well as the source of energy. Heat is supplied by. 10. VOL. 5 NO. 1 OCTOBER, 2010. STEEL TECH.

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Optimizing Waste Heat Recovery in the Post-combustion

Post-combustion chamber (PCC) of a sponge iron rotary kiln plant at TSLPL, Joda, is associated with a rotary kiln with a constant RPM [1,2,3]. Coal, iron ore, and dolomite are used as raw materials. The iron ore is reduced to sponge iron inside the rotary kiln.

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OPERATIONAL ASPECTS OF SPONGE IRON …

1. Krupp Sponge Iron Process The Krupp. Sponge iron process uses a rotary kiln for the reduction of high grade lump ores or pellets (Fig. 1). The feed is introduced together with reducing and de-sulphurizing agents (lime-stone or raw dolomite) into an inclined rotary kiln, heated counter current to the flow of hot gas and reduced to form sponge ...

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DRI Sponge Iron Kilns

The company is able to manufacture 0.225 MTPA of Sponge Iron per annum. Each Rotary Kiln is 70 meters long, 4.4 meters wide and inclined at 2.5%. The kilns each have a thick 250mm refractory lining inside, 3 support rollers and a dual drive with two 155 kW DC Motors. Each Kiln also has seven shell air fans and air tubes for air supply inside ...

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Direct Reduced Iron and its Production Processes – IspatGuru

It is also known as sponge iron since its structure is just like sponge with a network of connecting pores. These pores results in a large internal surface area which is around 10,000 times greater than the internal surface area of solid iron. ... In the rotary kiln, both coal and the iron ore feed material is charged from the same end of the ...

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Decarbonizing rotary kiln–induction furnace based sponge iron

The rotary kiln-based sponge iron unit consists of a rotary kiln, a rotary cooler, a magnetic separator, and a system of conveyors for material handling. The rotary kiln is a long cylindrical rotating drum slightly inclined to the horizontal, internally lined with refractories, and has several port holes located along its length for air ...

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Sponge Iron Rotary Kiln | DRI Rotary Kiln

Clients can also choose sponge iron rotary kiln specifications with different lengths, diameters, and sizes according to the required temperature and output of the fired materials. Reasonable design and unique redox principle. Sponge iron is a high-quality ore. It is eliminated by the principle of redox reaction and filtered by sediment removal.

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Mathematical Modelling of Sponge Iron Production in a …

VOL. 5 NO. 1 OCTOBER, 2010 STEEL TECH 11 from an industrial coal-based sponge iron rotary kiln process. We have developed a fairly comprehensive mathematical model for the direct reduction of iron ore

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PEMBUATAN SPONGE IRON DARI BIJIH BESI LAMPUNG …

this study, the best results are obtained sponge iron has a metal content of 62.62% Fe and 95.31% metallization degree. Keywords: iron ore, pulverized coal burner, reduction, rotary kiln, sponge iron.

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Pressure Measurement and Control in Rotary Kilns at TATA …

Pressure inside a coal fired sponge iron rotary kiln depends on several operating parameters such as coal injection rate, ore feed rate, moisture, and primary and secondary air blow rates ...

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OPERATIONAL ASPECTS OF SPONGE IRON …

ROTARY KILN—SOLID REDUCTANT PROCESSES 1. Krupp Sponge Iron Process The Krupp. Sponge iron process uses a rotary kiln for the reduction of high grade lump ores or pellets …

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Energy survey of the coal based sponge iron industry

In the sponge iron process concentrated and finely divided iron ore is reduced in solid phase into sponge iron at high temperatures in rotary kiln. The process is very energy demanding. In order to identify the largest losses and to find ways to increase the efficiency, an energy survey of the sponge iron plant was carried out for a number of ...

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Coal based Direct Reduction Rotary Kiln Process – …

The coal based direct reduction rotary kiln process was developed for converting iron ore directly into metallic iron without the melting of the materials. The process has the advantage of low capital expenditure and no …

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Sponge Iron Rotary Kiln – Zonelion Taeda Rotary Dryer …

Sponge Iron Rotary Kiln is a direct reduction equipment which smelt iron ore into iron directly through solid-phase reduction reaction. It is also called direct reduction process with rotary kiln. E-mail: service@tdaxy. Call us: +86---Language--

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(PDF) Environmental performance evaluation of …

Figure III showsproduction pro cess of sponge iron in a co al based rotary kiln us ing . customized/ indigenous t echnology a long w ith sour ces o f air emissio n, liquid eff luent and so lid .

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ALTERNATIVE ROUTES TO IRON MAKING, 2nd Ed.

This book, earlier titled as Sponge Iron Production in Rotary Kiln, is revised as per the feedback from students, faculty members and professionals. It, now, covers broad spectrum of alternative routes of iron making, therefore, the book is renamed as Alternative Routes to Iron Making. In this revised edition of the book, three new chapters ...

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A STUDY OF RING FORMATION OF SPONGE IRON IN …

In recent years the production of sponge iron by direct reduction of iron ores has received con-siderable attention by metallurgists. Experiments for the production of sponge iron in a 34 feet long rotary kiln were successfully conducted at the National Metallurgical Laboratory using pellets made from Donimalai haematite ore and

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PEMBUATAN SPONGE IRON DARI BIJIH BESI LAMPUNG MENGGUNAKANROTARY KILN

menjadi sponge iron dalam rotary kiln yang . dilakukan ditunjukkan pada Gambar 3. Bijih besi . Fe . Total<60%. Magnetik Separator. Bijih besi . Fe Total >60% Binder. Batubara . MIXER. PELLET IZER.

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Direct Reduced Iron

DRI is also known as sponge iron. It refers to porous iron produced by the direct reduction (DR) process. It is the second most viable source of iron used in steelmaking after hot metal which is produced in the blast furnaces (BF). ... DRI is a high-quality metallic iron product produced in a DRI kiln (either rotary or vertical shaft ...

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Analysis of temperature profile and % metallization in rotary kiln of

The 2D geometry of rotary kiln of sponge iron process is developed using ANSYS 14.5 and shown in Fig. 2. Feed, a mixture of iron ore, coal and dolomite, enters to the kiln as indicated in Fig. 2. In this figure primary air enters from discharge end whereas, secondary air enters the kiln through different nozzles placed at the periphery of the ...

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